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/** @file
*
* Copyright (c) 2017, Linaro. All rights reserved.
*
* This program and the accompanying materials
* are licensed and made available under the terms and conditions of the BSD License
* which accompanies this distribution. The full text of the license may be found at
* http://opensource.org/licenses/bsd-license.php
*
* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
*
**/
#include <Library/BaseLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/DebugLib.h>
#include <Library/DevicePathLib.h>
#include <Library/IoLib.h>
#include <Library/TimerLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiLib.h>
#include <Library/UefiRuntimeServicesTableLib.h>
#include <Library/UsbSerialNumberLib.h>
#include <Protocol/EmbeddedGpio.h>
#include <Protocol/PlatformDwMmc.h>
#include <Hi6220.h>
#define DETECT_SD_CARD 8 // GPIO 1_0
DW_MMC_HC_SLOT_CAP
DwMmcCapability[2] = {
{
.Ddr50 = 1,
.HighSpeed = 1,
.BusWidth = 8,
.SlotType = EmbeddedSlot,
.CardType = EmmcCardType,
.BaseClkFreq = 100000
}, {
.HighSpeed = 1,
.BusWidth = 4,
.SlotType = RemovableSlot,
.CardType = SdCardType,
.Voltage30 = 1,
.BaseClkFreq = 100000
}
};
EFI_STATUS
EFIAPI
HiKeyGetCapability (
IN EFI_HANDLE Controller,
IN UINT8 Slot,
OUT DW_MMC_HC_SLOT_CAP *Capability
)
{
if (Capability == NULL) {
return EFI_INVALID_PARAMETER;
}
if (DwMmcCapability[0].Controller == 0) {
DwMmcCapability[0].Controller = Controller;
CopyMem (Capability, &DwMmcCapability[0], sizeof (DW_MMC_HC_SLOT_CAP));
} else if (DwMmcCapability[0].Controller == Controller) {
CopyMem (Capability, &DwMmcCapability[0], sizeof (DW_MMC_HC_SLOT_CAP));
} else if (DwMmcCapability[1].Controller == 0) {
DwMmcCapability[1].Controller = Controller;
CopyMem (Capability, &DwMmcCapability[1], sizeof (DW_MMC_HC_SLOT_CAP));
} else if (DwMmcCapability[1].Controller == Controller) {
CopyMem (Capability, &DwMmcCapability[1], sizeof (DW_MMC_HC_SLOT_CAP));
} else {
return EFI_INVALID_PARAMETER;
}
return EFI_SUCCESS;
}
BOOLEAN
EFIAPI
HiKeyCardDetect (
IN UINT8 Slot
)
{
EFI_STATUS Status;
EMBEDDED_GPIO *Gpio;
UINTN Value;
if (Slot == 0) {
return TRUE;
} else if (Slot == 1) {
Status = gBS->LocateProtocol (&gEmbeddedGpioProtocolGuid, NULL, (VOID **)&Gpio);
if (EFI_ERROR (Status)) {
DEBUG ((DEBUG_ERROR, "Failed to get GPIO protocol: %r\n", Status));
return FALSE;
}
Status = Gpio->Set (Gpio, DETECT_SD_CARD, GPIO_MODE_INPUT);
if (EFI_ERROR (Status)) {
DEBUG ((DEBUG_ERROR, "Failed to sed GPIO as input mode: %r\n", Status));
return FALSE;
}
Status = Gpio->Get (Gpio, DETECT_SD_CARD, &Value);
if (EFI_ERROR (Status)) {
DEBUG ((DEBUG_ERROR, "Failed to get GPIO value: %r\n", Status));
return FALSE;
}
if (Value == 0) {
return TRUE;
}
return FALSE;
} else {
return FALSE;
}
}
PLATFORM_DW_MMC_PROTOCOL mDwMmcDevice = {
HiKeyGetCapability,
HiKeyCardDetect
};
EFI_STATUS
EFIAPI
HiKeyMmcEntryPoint (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
Status = gBS->InstallProtocolInterface (
&ImageHandle,
&gPlatformDwMmcProtocolGuid,
EFI_NATIVE_INTERFACE,
&mDwMmcDevice
);
if (EFI_ERROR (Status)) {
return Status;
}
return Status;
}
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